Product Description:3M Black Privacy Filters utilize ingenious microlouver technology to deliver world-class effective privacy for laptops and monitors. Side views are "blacked out" from prying eyes while your screen remains clearly visible to straight-on views. 3M Black Privacy Filters fade to black starting at the 30-degree side angle, are reversible between a glossy side and glare-reducing matte and reduce 35% of blue light transmission. Diagonal Monitor Size: 17"; Fits Device Type: For Monitor; Frame Type: Frameless; Mounting: Attachment Strips; Slide Mounts.3M Black Privacy Filters utilize ingenious microlouver technology to deliver world-class effective privacy for laptops and monitors. Side views are "blacked out" from prying eyes while your screen remains clearly visible to straight-on views. 3M Black Privacy Filters fade to black starting at the 30-degree side angle, are reversible between a glossy side and glare-reducing matte and reduce 35% of blue light transmission.Package Includes:Attachment Strips; Slide MountsKeeps your personal or confidential information safe from prying eyes.You'll see the information on your display while people on either side only see a darkened screen.Includes your choice of two easy-to-use attachment methods.Reversible, matte side reduces glare and reflections.Lightweight, thin, frameless design.Protects display from dirt, debris and scratches.Cleans easily with a soft cloth and water.Includes a convenient storage folder that keeps your privacy filter clean while not in use on your device.Great for high traffic areas such as airports, airplanes, commuter trains, coffee shops and other public places.